Toro Workman 3000 Series Service Manual page 143

Brakes (Continued)
Problem
Dragging brakes.
Hard brake pedal.
Wheel locks.
Brakes fade.
Surge at slow speeds.
Chatter at fast speeds.
Shoe lock.
Brakes do not self adjust.
Workman 3000/4000 Series
Possible Causes
Improper brake or parking brake adjustment.
Parking brake engaged.
Weak or broken brake shoe return spring.
Binding brake pedal.
Sticking brake master cylinder.
Saturated brake linings.
Bent or out of round brake drums.
Incorrect brake lining material.
Restricted brake lines or hoses.
Brake pedal linkage binding.
Contaminated brake linings.
Loose or damaged brake linings.
Wheel cylinder sticking.
Incorrect wheel bearing adjustment.
Overheated brake drums.
Saturated brake linings.
Bent or out of round brake drums.
Machining grooves in contact face of brake drums.
Weak hold down springs.
Adjuster bolt seized in thread.
Adjuster lever does not engage star wheel.
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